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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 9 |
| 7 | 16 |
| 8 | 29 |
| 9 | 53 |
| 10 | 97 |
| 11 | 178 |
| 12 | 327 |
| 13 | 601 |
| 14 | 1105 |
| 15 | 2032 |
| 16 | 3737 |
| 17 | 6873 |
| 18 | 12641 |
| 19 | 23250 |
| 20 | 42763 |
| 21 | 78653 |
| 22 | 144665 |
| 23 | 266080 |
| 24 | 489397 |
| 25 | 900141 |
| 26 | 1655617 |
| 27 | 3045154 |
| 28 | 5600911 |
| 29 | 10301681 |
| 30 | 18947745 |
| 31 | 34850336 |
| 32 | 64099761 |
| 33 | 117897841 |
| 34 | 216847937 |
| 35 | 398845538 |
[1,1,1,2,3,5,9,16,29,53,97,178,327,601,1105,2032, 3737,6873,12641,23250,42763,78653,144665,266080, 489397,900141,1655617,3045154,5600911,10301681, 18947745,34850336,64099761,117897841,216847937, 398845538] |